<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form
        :model="regFrom"
        :rules="formRules"
        ref="formRef"
        style="padding: 0 25px"
      >
        <el-form-item prop="username">
          <el-input
            v-model="regFrom.username"
            prefix-icon="el-icon-user"
            placeholder="请输入用户名"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="regFrom.password"
            prefix-icon="el-icon-lock"
            placeholder="请输入密码"
          ></el-input>
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input
            v-model="regFrom.repassword"
            prefix-icon="el-icon-lock"
            placeholder="请确认密码"
          ></el-input>
        </el-form-item>
        <el-form-item>
          <el-button @click="regUser" style="width: 100%" type="primary"
            >注册</el-button
          >
          <el-link type="info" @click="$router.push('/login')">去登录</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: "Reg",

  data() {
    // 自定义校验规则函数  校验两次密码是否一样
    var rePwd = (rule, value, callback) => {
      if (value === "") {
        callback(new Error("请再次输入密码"));
      } else if (value !== this.regFrom.password) {
        callback(new Error("两次输入密码不一致!"));
      } else {
        callback();
      }
    };
    return {
      regFrom: {
        username: "",
        password: "",
        repassword: "",
      },
      formRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" }, //必填校验
          {
            pattern: /^[a-zA-Z0-9]{1,10}$/,
            message: "用户名必须是1-10的字母数字",
            trigger: "blur",
          }, //正则校验
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" }, //必填校验
          {
            pattern: /^\S{6,15}$/,
            message: "密码必须是6-15的字符",
            trigger: "blur",
          }, //正则校验
        ],
        repassword: [
          {
            pattern: /^\S{6,15}$/,
            message: "密码必须是6-15的字符",
            trigger: "blur",
          }, //正则校验
          { validator: rePwd, trigger: "blur" },
        ],
      },
    };
  },
  methods: {
    // 注册事件函数
    regUser() {
      //1.绑定事件函数
      //2.兜底校验  校验所有表单项是否为true
      this.$refs.formRef.validate(async (valid) => {
        //  valid返回值是boolean 只有所有的表单项验证通过返回的是true
        // 只要一个表单项没有验证通过，返回false
        console.log(valid);
        if (!valid) return console.log("校验失败"); // 校验没有通过
        //3.发送请求, 实现注册
        const { data: res } = await this.$http.post("/api/reg", this.regFrom);
        console.log("res", res);
        //3.1 注册失败, 提示用户
        if (res.code != 0) return this.$message.error(res.message);
        //3.2 注册成功, 提示用户
        this.$message.success(res.message);
        //4.跳转链接
        this.$router.push("/login");
      });
    },
  },
};
</script>

<style lang="less" scoped>
.reg-container {
  background: url("../../assets/images/login_bg.jpg") center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url("../../assets/images/login_title.png") center no-repeat;
    }
  }
}
</style>